| Citation: |
Wei Qi, Yin Xiumei, Han Dandan, Yang Huazhong. A 12-bit 40 MS/s pipelined ADC with over 80 dB SFDR[J]. Journal of Semiconductors, 2010, 31(2): 025007. doi: 10.1088/1674-4926/31/2/025007
Wei Q, Yin X M, Han Dandan, Yang H Z. A 12-bit 40 MS/s pipelined ADC with over 80 dB SFDR[J]. J. Semicond., 2010, 31(2): 025007. doi: 10.1088/1674-4926/31/2/025007.
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A 12-bit 40 MS/s pipelined ADC with over 80 dB SFDR
doi: 10.1088/1674-4926/31/2/025007
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Abstract
This paper describes a 12-bit 40 MS/s calibration-free pipelined analog-to-digital converter (ADC), which is optimized for high spurious free dynamic range (SFDR) performance and low power dissipation. With a 4.9 MHz sine wave input, the prototype ADC implemented in a 0.18-μm 1P6M CMOS process shows measured differential nonlinearity and integral nonlinearity within 0.78 and 1.32 least significant bits at the 12-bit level without any trimming or calibration. The ADC, with a total die area of 3.1×2.1 mm2, demonstrates a maximum signal-to-noise distortion ratio (SNDR) and SFDR of 66.32 and 83.38 dB, respectively, at a 4.9 MHz analog input and a power consumption of 102 mW from a 1.8 V supply.-
Keywords:
- analog-to-digital converter
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